Make your Android development easier

Reprint: HTTP://WWW.JIANSHU.COM/P/22FF8B5FDADC Build a new Android project, what would you do?

每个人对应用框架的理解不相同，但是最终达到的效果应该是一样：①降低项目的复杂性②易扩展、易修改、可重用性强、可维护性强③职责单一，功能清晰

In the Android development project, we first have to consider the common points of each project, such as: MVP, network request layer, base store view of base class, log log, App crash, refresh load more, Loading, ad map, support ListView, Recyclerview baseadater, notification bar immersion, picture loading cache, bottom navigation ...
So these are the features that every project has to need, so can you extract these generic things?

Project Engineering Building

APP Engineering structure: several common Android code architecture analysis

App project package structure. png

The role of the package name at a glance, when others take over the project will be relatively simple

• Adapter adapter, if the business complex, according to different business can add sub-package to classify
• API Network Request Layer encapsulation retrofit &OKHTTP3 &rxjava
• base class used to store the view, such as Baseacitivity, Basefragment, baseswipebackactivity, basepresent
• Manage is used to store some common management classes: Crash, Imageloader, Logger
• The model encapsulates the MVP logic pool, which is instantiated and BindView using the annotated contact and presenter, using Mpresenter directly when used
• UI Custom View swipe delete, bottom navigation

Common libraries Open Source Library selection

• Android-architecture: Google MVP example code-android architecture MVP + Dagger2
• Retrofit:retrofit Square's network request library greatly reduces the code and procedures for HTTP requests.
• Okhttp: It is said that the source of Android4.4 can be seen HttpURLConnection has replaced Okhttp realized
• Rxjava:rxjava provides an elegant responsive API to resolve asynchronous requests.
• Butterknife:butterknife frees the control object to instantiate it, and then say goodbye to Findviewbyid
• Gilde:google Recommended: Glide powerful image loading cache library
• Leakcanary:leakcanarysquare is specifically designed to detect memory leaks in Android and Java

  Squareupcompile' Com.squareup.retrofit2:retrofit:2.1.0 ' Compile' Com.squareup.retrofit2:converter-gson:2.1.0 ' Compile' Com.squareup.retrofit2:adapter-rxjava:2.1. 0 ' Compile ' com.squareup.okhttp3:logging-interceptor:3.4. 1 ' Compile ' Com.jakewharton: Butterknife:7.0. 1 ' Compile ' com.github.bumptech.glide:glide:3.7. 0 ' compile ' Io.reactivex : Rxjava:1.1. 5 ' Compile ' io.reactivex:rxandroid:1.2. 0 ' Compile ' com.jcodecraeer: Xrecyclerview:1.2. 7 '              

Project New Refactoring

Some of the common features of Android do some tidying up package into basic framework, easy to develop Android initial project quickly
Https://github.com/meikoz/Basic

Example of an imitation of the eyes demo: Basic+retrofit+okhttp+rxjava+glide
Please pay more attention to star and give support, from some of their practical experience to summarize this part of the common things as a good-natured share.

How Usagestep 1:

Setup ' Basic ' dependencies in Build.gradle file:

dependencies {    ‘com.meikoz.basic:core:1.0.5‘}

Step 2:

Create subclass of application extends Mainapplication,initialize basic Buildconfig.debug is true in Super.oncreate () meth OD before for debug print log.

class BaseApp extends MainApplication { @Override public void onCreate() { RestApi.getInstance().deBug(true); super.onCreate(); }}

• Restapi.getinstance (). DeBug (True); To debug print logs, please delete this method before you go online # important #

Step 3:

App usage MVP pattern, View and Presenter need things.
View extends Baseview. Presenter extends Basepresenter<view>.

@Implement (Mainlogicimpl.class)PublicInterfaceMainlogici {voidOnloaddata2remote();InterfaceMainViewExtendsbaseview {void onloadsuccesshandler (String responce);}} public class mainlogicimpl extends BasePresenter <mainlogici. mainview> implements mainlogici {  @Override public void onloaddata2remote () {GetView (). Onloadsuccesshandler ( "request succeeded, data returned")}}         

How to initialize use the Activity.

ClassMainactivityExtendsActivityimplements mainlogici. MainView { @Override protected  Class Getlogicclazz () {return Your interface mainlogici class; Mainlogic is the interface presenter to implement}  @Override protected void Oninitdata2remote () {super.oninitdata2remote (); ((mainlogicimpl) mpresenter). Onloaddata2remote ();  @Override public void Onloadsuccesshandler (string response) { //response is the data returned in presenter}}          

• Super.oninitdata2remote (); Initializes the Presnter and BindView

Step 4:

Network:retrofit + okhttp
Generate different service based on different business

PublicClassApimanager {PublicStatic ApiserviceCreateapi () {return restapi.getinstance (). Create (Apiservice.class);} public static UserService createuserapi () {return Restapi.getinstance (). Create (Userservice.class); }}public interface apiservice {String base_url =" https://github.com/";  @GET ( "Api/v1/user") Call <Response> getuserinfo (@Query (  "UID") int uid)}             

Cool Featurefeature 1: Realizing the Tab +fragment function
QQ Picture 20161121164914.png

PublicClassMainatyExtendsappcompatactivity {PrivateTabstripview Navigatetabbar;@Overrideprotected void OnCreate (Bundle savedinstancestate) {Super.oncreate (savedinstancestate); Setcontentview (R.layout.activity_main); Navigatetabbar = (Tabstripview) Findviewbyid (R.id.navigatetabbar); Navigatetabbar.onrestoreinstancestate (savedinstancestate); Navigatetabbar.addtab (Homefragment.ClassNewTabstripview.Tabparam (R.drawable.ic_tab_strip_icon_feed,R.drawable.ic_tab_strip_icon_feed_selected,R.string.tab_bar_text_feed)); Navigatetabbar.addtab (Discoveryfragment.ClassNewTabstripview.Tabparam (R.drawable.ic_tab_strip_icon_category,R.drawable.ic_tab_strip_icon_category_selected,R.string.tab_bar_text_category)); Navigatetabbar.addtab (Autofragment.ClassNewTabstripview.tabparam (R.DRAWABLE.IC_TAB_STRIP_ICON_PGC, r.drawable.ic_tab_strip_icon_pgc_selected, R.string.tab_bar_ TEXT_PGC)); Navigatetabbar.addtab (profilefragment. class, new tabstripview. Tabparam (r.drawable.ic_tab_strip_icon_profile, R.drawable.ic_ tab_strip_icon_profile_selected, r.string.tab_bar_text_profile)); }  @Override protected void Onsaveinstancestate (bundle outstate) {super.onsaveinstancestate (outstate); Navigatetabbar.onsaveinstancestate (outstate); }}

Feature 2: Achieve the effect of imitation iOS pop-up windows
The default cancel OK button. png

• Setcancelable (True) displays the Cancel button by default, using the same syntax as native Alertdialog

  new SweetAlertDialog.Builder(MainActivity.this)           .setTitle("标题")           .setMessage("描述详细内容?")           .setCancelable(true) .setPositiveButton("确认", new SweetAlertDialog.OnDialogClickListener() { @Override public void onClick(Dialog dialog, int which) { Toast.makeText(MainActivity.this, "确定按钮", Toast.LENGTH_SHORT).show(); } }) .show();

  
  There is only one OK button. png

  
  ! [Uploading QQ picture 20161121171109_005140.png ...]

• Setcancelable (false) so that only one button is displayed

  new SweetAlertDialog.Builder(MainActivity.this)           .setTitle("标题")           .setMessage("描述详细内容?")           .setCancelable(false) .setPositiveButton("确认", new SweetAlertDialog.OnDialogClickListener() { @Override public void onClick(Dialog dialog, int which) { Toast.makeText(MainActivity.this, "确定按钮", Toast.LENGTH_SHORT).show(); } }) .show();

  
  The left and right sides both set the button. png
• Left and right button customization

  New Sweetalertdialog.builder (mainactivity.This). Settitle ("title"). Setmessage ("description details?") . setcancelable (False). Setnegativebutton ("Left",New Sweetalertdialog.ondialogclicklistener () {@Overridepublic void onclick (Dialog Dialog, int which) { Toast.maketext (Mainactivity. This,  "left" + which, Toast.length_short). Show (); }}). Setpositivebutton ( "confirm", new Sweetalertdialog.ondialogclicklistener () { @Override < Span class= "Hljs-keyword" >public void onclick (Dialog Dialog, int which) {Toast.maketext (Mainactivity.this, " OK button ", Toast.length_short). Show (); }}). Show ();                

  Feature 3:commonadapter for ListView, Recycleradapter for Recyclerviewcommonadapter for ListView, Recycleradapter for Rec Yclerview
  Implement void Convert (Viewholder helper, T item); Replace GetView ();

Feature 4:logger Beautiful log system

LOGGER.D (message);
LOGGER.I (message);
LOGGER.E (message);
LOGGER.V (message);
Logger.json (message);

Nice log. Pngto do something v2.0.0

• Add Loadingview before network request, add finish disappears
• Load failed unified failure page, support re-request
• Activity destroyed, disable network request function to avoid error
• Eyepetizerapp: Use the basic framework to complete your eyes app

Make your Android development easier